メタデータ名 G20493053383
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.6125000 40.5916667, 140.6187500 40.5916667, 140.6187500 40.5958334, 140.6125000 40.5958334, 140.6125000 40.5916667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral